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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>hb-version: HarfBuzz Manual</title> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="index.html" title="HarfBuzz Manual"> <link rel="up" href="ch12.html" title="Core API"> <link rel="prev" href="harfbuzz-hb-unicode.html" title="hb-unicode"> <link rel="next" href="ch13.html" title="OpenType API"> <meta name="generator" content="GTK-Doc V1.32 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> <a href="#harfbuzz-hb-version.description" class="shortcut">Description</a></span> </td> <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> <td><a accesskey="u" href="ch12.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="harfbuzz-hb-unicode.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="ch13.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="harfbuzz-hb-version"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="harfbuzz-hb-version.top_of_page"></a>hb-version</span></h2> <p>hb-version — Information about the version of HarfBuzz in use</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="harfbuzz-hb-version.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <tr> <td class="define_keyword">#define</td> <td class="function_name"> <a class="link" href="harfbuzz-hb-version.html#HB-VERSION-ATLEAST:CAPS" title="HB_VERSION_ATLEAST()">HB_VERSION_ATLEAST</a><span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-version.html#hb-version" title="hb_version ()">hb_version</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-version.html#hb-version-atleast" title="hb_version_atleast ()">hb_version_atleast</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type">const <span class="returnvalue">char</span> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-version.html#hb-version-string" title="hb_version_string ()">hb_version_string</a> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="harfbuzz-hb-version.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody> <tr> <td class="define_keyword">#define</td> <td class="function_name"><a class="link" href="harfbuzz-hb-version.html#HB-VERSION-MAJOR:CAPS" title="HB_VERSION_MAJOR">HB_VERSION_MAJOR</a></td> </tr> <tr> <td class="define_keyword">#define</td> <td class="function_name"><a class="link" href="harfbuzz-hb-version.html#HB-VERSION-MICRO:CAPS" title="HB_VERSION_MICRO">HB_VERSION_MICRO</a></td> </tr> <tr> <td class="define_keyword">#define</td> <td class="function_name"><a class="link" href="harfbuzz-hb-version.html#HB-VERSION-MINOR:CAPS" title="HB_VERSION_MINOR">HB_VERSION_MINOR</a></td> </tr> <tr> <td class="define_keyword">#define</td> <td class="function_name"><a class="link" href="harfbuzz-hb-version.html#HB-VERSION-STRING:CAPS" title="HB_VERSION_STRING">HB_VERSION_STRING</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="harfbuzz-hb-version.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <hb.h> </pre> </div> <div class="refsect1"> <a name="harfbuzz-hb-version.description"></a><h2>Description</h2> <p>These functions and macros allow accessing version of the HarfBuzz library used at compile- as well as run-time, and to direct code conditionally based on those versions, again, at compile- or run-time.</p> </div> <div class="refsect1"> <a name="harfbuzz-hb-version.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="HB-VERSION-ATLEAST:CAPS"></a><h3>HB_VERSION_ATLEAST()</h3> <pre class="programlisting">#define HB_VERSION_ATLEAST(major,minor,micro)</pre> </div> <hr> <div class="refsect2"> <a name="hb-version"></a><h3>hb_version ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_version (<em class="parameter"><code>unsigned <span class="type">int</span> *major</code></em>, <em class="parameter"><code>unsigned <span class="type">int</span> *minor</code></em>, <em class="parameter"><code>unsigned <span class="type">int</span> *micro</code></em>);</pre> <p>Returns library version as three integer components.</p> <div class="refsect3"> <a name="hb-version.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>major</p></td> <td class="parameter_description"><p>Library major version component. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>minor</p></td> <td class="parameter_description"><p>Library minor version component. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>micro</p></td> <td class="parameter_description"><p>Library micro version component. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-version-atleast"></a><h3>hb_version_atleast ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> hb_version_atleast (<em class="parameter"><code>unsigned <span class="type">int</span> major</code></em>, <em class="parameter"><code>unsigned <span class="type">int</span> minor</code></em>, <em class="parameter"><code>unsigned <span class="type">int</span> micro</code></em>);</pre> <p>Tests the library version against a minimum value, as three integer components.</p> <div class="refsect3"> <a name="hb-version-atleast.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>major</p></td> <td class="parameter_description"><p>Library major version component</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>minor</p></td> <td class="parameter_description"><p>Library minor version component</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>micro</p></td> <td class="parameter_description"><p>Library micro version component</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-version-atleast.returns"></a><h4>Returns</h4> <p> True if the library is equal to or greater than the test value, false otherwise</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-30.html#api-index-0.9.30">0.9.30</a></p> </div> <hr> <div class="refsect2"> <a name="hb-version-string"></a><h3>hb_version_string ()</h3> <pre class="programlisting">const <span class="returnvalue">char</span> * hb_version_string (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p>Returns library version as a string with three components.</p> <div class="refsect3"> <a name="hb-version-string.returns"></a><h4>Returns</h4> <p> Library version string</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> </div> <div class="refsect1"> <a name="harfbuzz-hb-version.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="HB-VERSION-MAJOR:CAPS"></a><h3>HB_VERSION_MAJOR</h3> <pre class="programlisting">#define HB_VERSION_MAJOR 2 </pre> </div> <hr> <div class="refsect2"> <a name="HB-VERSION-MICRO:CAPS"></a><h3>HB_VERSION_MICRO</h3> <pre class="programlisting">#define HB_VERSION_MICRO 4 </pre> </div> <hr> <div class="refsect2"> <a name="HB-VERSION-MINOR:CAPS"></a><h3>HB_VERSION_MINOR</h3> <pre class="programlisting">#define HB_VERSION_MINOR 7 </pre> </div> <hr> <div class="refsect2"> <a name="HB-VERSION-STRING:CAPS"></a><h3>HB_VERSION_STRING</h3> <pre class="programlisting">#define HB_VERSION_STRING "2.7.4" </pre> </div> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>
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